The Van Allen Probe A, which was launched in August 2012, is likely to reenter Earth's atmosphere around 7:45 p.m. ET on Tuesday, NASA said in a news release, citing the U.S. Space Force. There is a ...

"Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.

A near-impenetrable plateau in Central Africa allowed elephants to hide from humans for years. The same landscape could also be their savior.

A newly discovered comet is rapidly brightening and could become visible from Earth — if it survives an extreme close ...